1066170772 has 12 divisors (see below), whose sum is σ = 1866061120. Its totient is φ = 533010456.

The previous prime is 1066170757. The next prime is 1066170797. The reversal of 1066170772 is 2770716601.

It is a super-2 number, since 2×1066170772² = 2273440230134151968, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24229 + ... + 52147.

Almost surely, 2^1066170772 is an apocalyptic number.

It is an amenable number.

1066170772 is a deficient number, since it is larger than the sum of its proper divisors (799890348).

1066170772 is a wasteful number, since it uses less digits than its factorization.

1066170772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37470 (or 37468 counting only the distinct ones).

The product of its (nonzero) digits is 24696, while the sum is 37.

The square root of 1066170772 is about 32652.2705489220. The cubic root of 1066170772 is about 1021.5875483312.

The spelling of 1066170772 in words is "one billion, sixty-six million, one hundred seventy thousand, seven hundred seventy-two".